Objective-C templates (snippets) for solve problems on HackerRank

Objective-C HackerRank snippets

// Example of using code for HackerRanks
// Input and Output array and methods 

#import <Foundation/Foundation.h>

@interface Solution : NSObject
+ (NSArray *)calculateDeltaEncoding:(NSArray *)numbers;
@end


@implementation Solution

+ (NSArray *)calculateDeltaEncoding:(NSArray *)numbers {
  //enter your solution here:
  return nil;
}

@end

int main() {
  @autoreleasepool {
  
    //Example for methods used
    [Solution calculateDeltaEncoding:nil];
  
  // Read String before whitespace
  NSString *word;
  char* word_temp = (char *)malloc(512000 * sizeof(char));
  scanf("%s",word_temp);
  word = [NSString stringWithFormat:@"%s", word_temp];

  // Read String with whitespaces 
     NSString *word;
    char* word_temp = (char *)malloc(512000 * sizeof(char));
    scanf("%[^\n]s",word_temp);
    word = [NSString stringWithFormat:@"%s", word_temp];
    
   //Read an array of int
    int n;
    scanf("%d",&n);
    NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:n];
    for(int i = 0; i<n; i++) {
        int inputElement = 0;
        scanf("%d", &inputElement);
        [array addObject:[NSNumber numberWithInteger:inputElement]];
    }
      
    //NSLog (print) array of int
    for(int i=0; i<n; i++) {
     printf("%i\n", [[array objectAtIndex:i] intValue]);
    }
  }
  return 0;
}